Toothbrush



FIG. 1 is a side elevational view of a toothbrush embodying my new design, the opposite side being a mirror image;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a toothbrush, as shown and described. 